aplfw/system/process/process_constructor.c

   1 /**
   2  *  Hyper Operating System  Application Framework
   3  *
   4  * @file  process.h
   5  * @brief %jp{プロセスオブジェクト}
   6  *
   7  * Copyright (C) 2006-2007 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11 #include <string.h>
  12 #include "process_local.h"
  13
  14
  15 static const T_HANDLEOBJ_METHODS Process_Methods =
  16         {
  17                 Process_Delete,
  18         };
  19
  20
  21 static void Process_Entry(VPARAM Param);
  22
  23
  24 /** コンストラクタ */
  25 PROCESS_ERR Process_Constructor(C_PROCESS *self, const T_HANDLEOBJ_METHODS *pMethods, const T_PROCESS_CREATE_INF *pInf)
  26 {
  27         if ( pMethods == NULL )
  28         {
  29                 pMethods = &Process_Methods;
  30         }
  31
  32         /* メンバ変数初期化 */
  33         self->iExitCode   = -1;                                 /* 終了コード */
  34         self->pHandleList = NULL;                               /* 所有するハンドルのリスト(終了時に開放) */
  35         self->pfncEntry = pInf->pfncEntry;              /* 起動アドレス */
  36         self->Param     = pInf->Param;                  /* ユーザーパラメータ */
  37         self->StackSize = pInf->StackSize;              /* スタックサイズ */
  38         self->Priority  = pInf->Priority;               /* プロセス優先度 */
  39         self->hTerminal = pInf->hTerminal;              /* ターミナル */
  40         self->hConsole  = pInf->hConsole;               /* コンソール */
  41         self->hStdIn    = pInf->hStdIn;                 /* 標準入力 */
  42         self->hStdOut   = pInf->hStdOut;                /* 標準出力 */
  43         self->hStdErr   = pInf->hStdErr;                /* 標準エラー出力 */
  44         strncpy(self->szCurrentDir, pInf->szCurrentDir, FILE_MAX_PATH); /* カレントディレクトリ */
  45
  46
  47         /* 待ち合わせ用イベント生成 */
  48         self->hEvt = SysEvt_Create(SYSEVT_ATTR_NORMAL);
  49         if ( self->hEvt == SYSEVT_HANDLE_NULL )
  50         {
  51                 return PROCESS_ERR_NG;
  52         }
  53         SysEvt_Clear(self->hEvt);
  54
  55         /* スタック用メモリ確保 */
  56         if ( (self->pStack = SysMem_Alloc(self->StackSize)) == NULL )
  57         {
  58                 return PROCESS_ERR_NG;
  59         }
  60
  61         /* プロセス生成 */
  62         self->hPrc = SysPrc_Create(Process_Entry, (VPARAM)self, self->pStack, self->StackSize, self->Priority, SYSPRC_ATTR_NORMAL);
  63         if ( self->hPrc == SYSPRC_HANDLE_NULL )
  64         {
  65                 SysEvt_Delete(self->hEvt);
  66                 SysMem_Free(self->pStack);
  67                 return PROCESS_ERR_NG;
  68         }
  69
  70         /* 親クラスコンストラクタ */
  71         HandleObj_Constructor(&self->HandleObj, pMethods);
  72
  73         /* 起動完了待ち */
  74         SysEvt_Wait(self->hEvt);
  75
  76         return PROCESS_ERR_OK;
  77 }
  78
  79
  80 /* プロセスエントリーポイント */
  81 void Process_Entry(VPARAM Param)
  82 {
  83         C_PROCESS       *self;
  84         int                     (*pfncEntry)(VPARAM Param);
  85         VPARAM          ProcParam;
  86         int                     iExitCode;
  87
  88         self = (C_PROCESS *)Param;
  89
  90         pfncEntry = self->pfncEntry;
  91         ProcParam = self->Param;
  92
  93         SysEvt_Set(self->hEvt);
  94
  95         iExitCode = pfncEntry(ProcParam);
  96
  97         Process_Exit(iExitCode);
  98 }
  99
 100
 101 /* end of file */